662013 has 20 divisors (see below), whose sum is σ = 1080288. Its totient is φ = 400680.

The previous prime is 662003. The next prime is 662021. The reversal of 662013 is 310266.

It is a happy number.

662013 is a `hidden beast` number, since 662 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 662013 - 2⁶ = 661949 is a prime.

It is a super-2 number, since 2×662013² = 876522424338, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 520 + ... + 1262.

2⁶⁶²⁰¹³ is an apocalyptic number.

It is an amenable number.

662013 is a deficient number, since it is larger than the sum of its proper divisors (418275).

662013 is a wasteful number, since it uses less digits than its factorization.

662013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 662013 is about 813.6418130848. The cubic root of 662013 is about 87.1543040465.

Adding to 662013 its reverse (310266), we get a palindrome (972279).

The spelling of 662013 in words is "six hundred sixty-two thousand, thirteen".